IL305813A - Improved centrifugal blood pump - Google Patents

Improved centrifugal blood pump

Info

Publication number
IL305813A
IL305813A IL305813A IL30581323A IL305813A IL 305813 A IL305813 A IL 305813A IL 305813 A IL305813 A IL 305813A IL 30581323 A IL30581323 A IL 30581323A IL 305813 A IL305813 A IL 305813A
Authority
IL
Israel
Prior art keywords
blood pump
pump device
blood
bearing
amount
Prior art date
Application number
IL305813A
Other languages
English (en)
Hebrew (he)
Inventor
Zhongjun Wu
Bartley P Griffith
Jiafeng Zhang
Charles Luddy
Original Assignee
Univ Maryland
Breethe Inc
Zhongjun Wu
Bartley P Griffith
Jiafeng Zhang
Charles Luddy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Maryland, Breethe Inc, Zhongjun Wu, Bartley P Griffith, Jiafeng Zhang, Charles Luddy filed Critical Univ Maryland
Publication of IL305813A publication Critical patent/IL305813A/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10Location thereof with respect to the patient's body
    • A61M60/104Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
    • A61M60/109Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20Type thereof
    • A61M60/205Non-positive displacement blood pumps
    • A61M60/216Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
    • A61M60/226Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
    • A61M60/232Centrifugal pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/30Medical purposes thereof other than the enhancement of the cardiac output
    • A61M60/36Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
    • A61M60/38Blood oxygenation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40Details relating to driving
    • A61M60/403Details relating to driving for non-positive displacement blood pumps
    • A61M60/419Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40Details relating to driving
    • A61M60/403Details relating to driving for non-positive displacement blood pumps
    • A61M60/422Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/804Impellers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/804Impellers
    • A61M60/806Vanes or blades
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/818Bearings
    • A61M60/82Magnetic bearings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/818Bearings
    • A61M60/825Contact bearings, e.g. ball-and-cup or pivot bearings
IL305813A 2021-04-09 2022-04-11 Improved centrifugal blood pump IL305813A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163172882P 2021-04-09 2021-04-09
PCT/US2022/024233 WO2022217139A1 (en) 2021-04-09 2022-04-11 Improved centrifugal blood pump

Publications (1)

Publication Number Publication Date
IL305813A true IL305813A (en) 2023-11-01

Family

ID=83546575

Family Applications (1)

Application Number Title Priority Date Filing Date
IL305813A IL305813A (en) 2021-04-09 2022-04-11 Improved centrifugal blood pump

Country Status (8)

Country Link
EP (1) EP4277691A1 (zh)
JP (1) JP2024514575A (zh)
KR (1) KR20230169216A (zh)
CN (1) CN117062646A (zh)
AU (1) AU2022253277A1 (zh)
CA (1) CA3209166A1 (zh)
IL (1) IL305813A (zh)
WO (1) WO2022217139A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115804905B (zh) * 2022-11-14 2024-03-01 心擎医疗(苏州)股份有限公司 一种导管泵

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6302661B1 (en) * 1996-05-03 2001-10-16 Pratap S. Khanwilkar Electromagnetically suspended and rotated centrifugal pumping apparatus and method
WO2009157408A1 (ja) * 2008-06-23 2009-12-30 テルモ株式会社 血液ポンプ装置
CA2988997C (en) * 2015-06-23 2024-04-09 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Extracorporeal ambulatory assist lung

Also Published As

Publication number Publication date
CN117062646A (zh) 2023-11-14
AU2022253277A1 (en) 2023-09-07
EP4277691A1 (en) 2023-11-22
KR20230169216A (ko) 2023-12-15
CA3209166A1 (en) 2022-10-13
WO2022217139A1 (en) 2022-10-13
JP2024514575A (ja) 2024-04-02

Similar Documents

Publication Publication Date Title
RU2637605C1 (ru) Микроаксиальный насос поддержки кровообращения (варианты)
EP0897476B1 (en) Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
US6302661B1 (en) Electromagnetically suspended and rotated centrifugal pumping apparatus and method
US7699586B2 (en) Wide blade, axial flow pump
Akamatsu et al. Recent studies of the centrifugal blood pump with a magnetically suspended impeller
US20140288354A1 (en) Fluid transport apparatus
WO1997042414A1 (en) Electromagnetically suspended and rotated centrifugal pumping apparatus and method
IL305813A (en) Improved centrifugal blood pump
CN112156255B (zh) 一种体外循环磁轮一体化的磁悬浮离心血泵
Yamane et al. Hemocompatibility of a hydrodynamic levitation centrifugal blood pump
Puentener et al. The influence of impeller geometries on hemolysis in bearingless centrifugal pumps
CN111514393A (zh) 一种带有轴流和离心结构的人工心脏血泵
US20230381489A1 (en) Implantable centrifugal cardiac assist pump having permanent magnets embedded in impeller
Takami et al. Mapping of Pump Efficiency on the Pressure‐Flow Curve of a Centrifugal Blood Pump
Liu et al. Numerical design of a partial-support axial blood pump
Anai et al. Relationship between pump speed design and hemolysis in an axial flow blood pump
AU766439B2 (en) Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
Ariyoshi et al. High Pressure-type Rotary Blood Pump with a New Principle
CN117357784A (zh) 用于心脏辅助装置的叶轮及心脏辅助装置
Kosaka et al. Improvement of hemolysis in a centrifugal blood pump with hydrodynamic bearings and semi-open impeller
Chan et al. Preliminary hydraulic performance characterization of an axial blood pump
Khanwilkar et al. General Session “Rotary Blood Pump”
Tan Reduced size bi-flow centrifugal pump as ventricular assist device for end-stage patients
JPH05212111A (ja) 血液ポンプ
JPH05212110A (ja) 血液ポンプ